- All sections
- C - Chemistrymetallurgy
- C09K - Materials for applications not otherwise provided forapplications of materials not otherwise provided for
- C09K 11/56 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing sulfur
Patent holdings for IPC class C09K 11/56
Total number of patents in this class: 901
10-year publication summary
|
49
|
81
|
79
|
81
|
66
|
92
|
77
|
55
|
51
|
29
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 149087 |
104 |
| Samsung Display Co., Ltd. | 36265 |
47 |
| TCL Technology Group Corporation | 602 |
31 |
| FUJIFILM Corporation | 29817 |
26 |
| Nanoco Technologies Ltd. | 145 |
26 |
| Shoei Chemical Inc. | 328 |
23 |
| Nexdot | 72 |
21 |
| Merck Patent GmbH | 5759 |
18 |
| Boe Technology Group Co., Ltd. | 41781 |
18 |
| 3m Innovative Properties Company | 17730 |
16 |
| Shin-Etsu Chemical Co., Ltd. | 5784 |
16 |
| OSRAM Opto Semiconductors GmbH | 3287 |
16 |
| Nanosys, Inc. | 115 |
14 |
| Samsung SDI Co., Ltd. | 8878 |
12 |
| Massachusetts Institute of Technology | 10143 |
12 |
| Duk San Neolux Co., Ltd. | 667 |
12 |
| Dexerials Corporation | 1959 |
11 |
| Semiconductor Energy Laboratory Co., Ltd. | 11552 |
10 |
| Mitsui Mining & Smelting Co., Ltd. | 1510 |
10 |
| Najing Technology Corporation Limited | 101 |
10 |
| Other owners | 448 |